[vlc-devel] [PATCH] dvbsub.c : Don't fill region if page_state == 0

Ilkka Ollakka ileoo at videolan.org
Wed Jun 9 09:02:31 CEST 2010

On Tue, Jun 08, 2010 at 08:37:13PM +0200, Björn Stenberg wrote:
> Hi.

> I've been working a little with DVB subtitling and found that if the
> region_fill bit is set, vlc always fills the whole area on every
> region update and thus overwrites any data previously rendered. This
> behaviour breaks "live" subtitling where words are recieved one at a
> time and added to an existing region.


Would it be possible you to provide some test clip on that?

> My interpretation of ETSI EN 300 743 is that the region_fill_flag of a
> region composition segment should not cause the region to be filled
> when the containing page composition segment has its' page_state
> variable set to 0 (page update).

Maybe Meuuh/jpsaman/* can comment on this one, I don't have a clue

> I suggest something like this:

Please provide patch that applies and is against git-tree:
that would make applying patches much easier and faster.

Ilkka Ollakka
Garbage In -- Gospel Out.
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